# Mammoth Energy Services, Inc.: overview

TUSK · Nasdaq · CIK 1679268 · [Energy](/sectors/energy.md) · fiscal year ends Dec 31

Pages: [Overview](/companies/tusk.md) · [Financials](/companies/tusk/financials.md) · [Filings](/companies/tusk/filings.md) · [Insiders](/companies/tusk/insiders.md)

Latest reported revenue: [$26.1m](/filings/0001628280-26-054813.md) for Q2 FY2026, three months to 2026-06-30, from the 10-Q filed Aug 7, 2026 (XBRL us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax, accession 0001628280-26-054813).

## Last eight quarters

| Line item | Unit | Q3 FY2024 (2024-09-30) | Q4 FY2024 (2024-12-31) | Q1 FY2025 (2025-03-31) | Q2 FY2025 (2025-06-30) | Q3 FY2025 (2025-09-30) | Q4 FY2025 (2025-12-31) | Q1 FY2026 (2026-03-31) | Q2 FY2026 (2026-06-30) |
| --- | --- | ---: | ---: | ---: | ---: | ---: | ---: | ---: | ---: |
| Revenue | $m | [17.1](/filings/0001679268-25-000039.md) | [(2.8) d](/filings/0001628280-26-015693.md) | [11.6](/filings/0001628280-26-033686.md) | [12.4](/filings/0001628280-26-054813.md) | [14.8](/filings/0001679268-25-000039.md) | [(2.5) d](/filings/0001628280-26-015693.md) | [22.0](/filings/0001628280-26-033686.md) | [26.1](/filings/0001628280-26-054813.md) |
| Gross margin | % | not reported | not reported | not reported | not reported | not reported | not reported | not reported | not reported |
| Operating margin | % | [(35.9%)](/filings/0001679268-25-000039.md) | [333.5% d](/filings/0001628280-26-015693.md) | [(10.0%)](/filings/0001628280-26-033686.md) | [(300.6%)](/filings/0001628280-26-054813.md) | [(60.9%)](/filings/0001679268-25-000039.md) | [458.4% d](/filings/0001628280-26-015693.md) | [(3.9%)](/filings/0001628280-26-033686.md) | [10.1%](/filings/0001628280-26-054813.md) |
| Net margin | % | [(141.0%)](/filings/0001679268-25-000039.md) | [549.1% d](/filings/0001628280-26-015693.md) | [(4.6%)](/filings/0001628280-26-033686.md) | [71.6%](/filings/0001628280-26-054813.md) | [(85.2%)](/filings/0001679268-25-000039.md) | [(354.6%) d](/filings/0001628280-26-015693.md) | [23.5%](/filings/0001628280-26-033686.md) | [(2.9%)](/filings/0001628280-26-054813.md) |
| Diluted EPS | $ per share | [(0.50)](/filings/0001679268-25-000039.md) | not reported | [(0.01)](/filings/0001628280-26-033686.md) | [0.18](/filings/0001628280-26-054813.md) | [(0.26)](/filings/0001679268-25-000039.md) | not reported | [0.11](/filings/0001628280-26-033686.md) | [(0.01)](/filings/0001628280-26-054813.md) |
| Free cash flow | $m | [(1.4) d](/filings/0001679268-25-000039.md) | [131 d](/filings/0001628280-26-015693.md) | [2.2](/filings/0001628280-26-033686.md) | [(39.4) d](/filings/0001628280-26-054813.md) | [(16.6) d](/filings/0001679268-25-000039.md) | [(35.4) d](/filings/0001628280-26-015693.md) | [(14.7)](/filings/0001628280-26-033686.md) | [(51.0) d](/filings/0001628280-26-054813.md) |

- Revenue. XBRL Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. Derived values: 12-month figure less the 9-month figure.
- Gross margin (gross profit / revenue). XBRL Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. Derived values: 12-month figure less the 9-month figure.
- Operating margin (operating income / revenue). XBRL Operating income: us-gaap:OperatingIncomeLoss; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. Derived values: 12-month figure less the 9-month figure.
- Net margin (net income / revenue). XBRL Net income: us-gaap:NetIncomeLoss; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. Derived values: 12-month figure less the 9-month figure.
- Diluted EPS. XBRL Diluted EPS: us-gaap:EarningsPerShareDiluted.
- Free cash flow (operating cash flow − capital expenditure). XBRL Operating cash flow: us-gaap:NetCashProvidedByUsedInOperatingActivities; Capital expenditure: us-gaap:PaymentsToAcquirePropertyPlantAndEquipment; Capital expenditure: us-gaap:PaymentsToAcquireProductiveAssets. Derived values: 9-month figure less the 6-month figure; 12-month figure less the 9-month figure; 6-month figure less the 3-month figure.

## Last five fiscal years

| Line item | Unit | FY2021 (2021-12-31) | FY2022 (2022-12-31) | FY2023 (2023-12-31) | FY2024 (2024-12-31) | FY2025 (2025-12-31) |
| --- | --- | ---: | ---: | ---: | ---: | ---: |
| Revenue | $m | [229](/filings/0001679268-24-000007.md) | [362](/filings/0001679268-25-000009.md) | [309](/filings/0001679268-25-000009.md) | [45.6](/filings/0001628280-26-015693.md) | [44.3](/filings/0001628280-26-015693.md) |
| Gross margin | % | not reported | not reported | not reported | not reported | not reported |
| Operating margin | % | [(53.7%)](/filings/0001679268-24-000007.md) | [(4.5%)](/filings/0001679268-25-000009.md) | [(5.4%)](/filings/0001679268-25-000009.md) | [(263.9%)](/filings/0001628280-26-015693.md) | [(129.7%)](/filings/0001628280-26-015693.md) |
| Net margin | % | [(44.3%)](/filings/0001679268-24-000007.md) | [(0.2%)](/filings/0001679268-25-000009.md) | [(1.0%)](/filings/0001679268-25-000009.md) | [(454.7%)](/filings/0001628280-26-015693.md) | [10.4%](/filings/0001628280-26-015693.md) |
| Diluted EPS | $ per share | [(2.18)](/filings/0001679268-24-000007.md) | [(0.01)](/filings/0001679268-25-000009.md) | [(0.07)](/filings/0001679268-25-000009.md) | [(4.31)](/filings/0001628280-26-015693.md) | [0.10](/filings/0001628280-26-015693.md) |
| Free cash flow | $m | [(24.7)](/filings/0001679268-24-000007.md) | [2.5](/filings/0001679268-25-000009.md) | [12.0](/filings/0001679268-25-000009.md) | [180](/filings/0001628280-26-015693.md) | [(89.1)](/filings/0001628280-26-015693.md) |

- Revenue. XBRL Revenue: us-gaap:Revenues; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax.
- Gross margin (gross profit / revenue). XBRL Revenue: us-gaap:Revenues; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax.
- Operating margin (operating income / revenue). XBRL Operating income: us-gaap:OperatingIncomeLoss; Revenue: us-gaap:Revenues; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax.
- Net margin (net income / revenue). XBRL Net income: us-gaap:NetIncomeLoss; Revenue: us-gaap:Revenues; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax.
- Diluted EPS. XBRL Diluted EPS: us-gaap:EarningsPerShareDiluted.
- Free cash flow (operating cash flow − capital expenditure). XBRL Operating cash flow: us-gaap:NetCashProvidedByUsedInOperatingActivities; Capital expenditure: us-gaap:PaymentsToAcquirePropertyPlantAndEquipment.

Each value links to the filing it came from. d marks a derived value. A ratio is not reported when any input is missing.

## Insider purchases and sales

The last 20 open-market transactions on Form 4 (codes P and S). Reported price is as stated on the form, not a market price. [All insider transactions](/companies/tusk/insiders.md)

| Date | Insider | Role | Transaction | Shares | Reported price | Value | Filing |
| --- | --- | --- | --- | ---: | ---: | ---: | --- |
| 2018-07-30 | [Gulfport Energy Corp](/insiders/874499.md) | Director, 10% owner | Sale (S) | 118,974 | $38.01 | $4.5m | [Form 4](/filings/0000899243-18-021021.md) |
| 2018-06-29 | [Gulfport Energy Corp](/insiders/874499.md) | Director, 10% owner | Sale (S) | 1,235,600 | $38.01 | $47.0m | [Form 4](/filings/0000899243-18-019188.md) |
| 2016-10-19 | [Gulfport Energy Corp](/insiders/874499.md) | Director, 10% owner | Sale (S) | 76,250 | $14.0625 | $1.1m | [Form 4](/filings/0000899243-16-032195.md) |

## Funds that report holding it

From each manager’s latest Form 13F, largest reported value first. Reported value is as filed: filing data, not a price. [All funds](/funds.md)

| Fund | Quarter ended | Reported value | Shares | Put or call | Change on the quarter before |
| --- | --- | ---: | ---: | --- | --- |
| [WEXFORD CAPITAL LP](/funds/1048462.md) | 2026-06-30 | $39.2m | 12,071,823 |  | Reduced −9,996,389 |
| [ADAGE CAPITAL PARTNERS GP, L.L.C.](/funds/1165408.md) | 2026-06-30 | $14.9m | 4,575,000 |  | Unchanged |
| [VANGUARD CAPITAL MANAGEMENT LLC](/funds/2100119.md) | 2026-06-30 | $3.4m | 1,059,603 |  | Added +240,483 |
| [Peapod Lane Capital LLC](/funds/2050979.md) | 2026-06-30 | $2.6m | 807,804 |  | Added +207,999 |
| [DIMENSIONAL FUND ADVISORS LP](/funds/354204.md) | 2026-06-30 | $2.2m | 691,667 |  | Added +5,468 |
| [JANE STREET GROUP, LLC](/funds/1595888.md) | 2026-06-30 | $1.6m | 506,662 |  | Added +483,808 |
| [CITADEL ADVISORS LLC](/funds/1423053.md) | 2026-06-30 | $1.5m | 452,163 |  | Added +120,796 |
| [BlackRock, Inc.](/funds/2012383.md) | 2026-06-30 | $1.3m | 407,976 |  | Reduced −1,046,863 |
| [MARSHALL WACE, LLP](/funds/1318757.md) | 2026-06-30 | $1.3m | 395,583 |  | New +395,583 |
| [Johns Hopkins University](/funds/1764756.md) | 2026-06-30 | $1.3m | 387,359 |  | New +387,359 |

## Recent filings

[All 361 filings](/companies/tusk/filings.md)

| Filed | Accepted | Form | What it is | Accession |
| --- | --- | --- | --- | --- |
| 2026-10-30 | 16:50 ET | [10-Q](/filings/0001628280-26-068605.md) | Quarterly report, period 2026-09-30 | 0001628280-26-068605 |
| 2026-10-30 | 08:09 ET | [8-K](/filings/0001628280-26-068445.md) | 1.01 Entry into a material agreement; 2.03 New direct financial obligation; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001628280-26-068445 |
| 2026-10-30 | 07:56 ET | [8-K](/filings/0001628280-26-068441.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001628280-26-068441 |
| 2026-08-07 | 16:01 ET | [10-Q](/filings/0001628280-26-054813.md) | Quarterly report, period 2026-06-30 | 0001628280-26-054813 |
| 2026-08-07 | 08:01 ET | [8-K](/filings/0001628280-26-054588.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001628280-26-054588 |
| 2026-06-26 | 16:08 ET | [8-K](/filings/0001628280-26-045745.md) | 5.07 Shareholder vote results | 0001628280-26-045745 |
| 2026-05-15 | 16:15 ET | [DEF 14A](/filings/0001628280-26-035580.md) | Proxy statement, period 2025-12-31 | 0001628280-26-035580 |
| 2026-05-15 | 08:29 ET | [8-K](/filings/0001628280-26-035328.md) | 4.01 Change of auditor; 9.01 Financial statements and exhibits | 0001628280-26-035328 |
| 2026-05-11 | 17:30 ET | [10-Q](/filings/0001628280-26-033686.md) | Quarterly report, period 2026-03-31 | 0001628280-26-033686 |
| 2026-05-11 | 08:00 ET | [8-K](/filings/0001628280-26-033142.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001628280-26-033142 |

## Latest annual report

[Form 10-K for the fiscal year ended Dec 31, 2025](/filings/0001628280-26-015693.md), filed Mar 6, 2026.

## Forecast league

Q3 FY2026, the quarter ended 2026-09-30, locked when the 8-K was accepted. It is scored when the 10-Q or 10-K is ingested. [See the target](/leagues/2026q3/targets/08fb49a2-b89e-4934-b8ba-f55b0a16d5b3)

## About the filer

- CIK: 1679268
- Tickers: TUSK
- Exchange: Nasdaq
- SIC code: 1389 Oil & Gas Field Services, NEC
- State of incorporation: DE
- Filer category: Accelerated filer<br>Smaller reporting company

Source: SEC EDGAR, XBRL company facts, the filing index and Forms 4. Last ingested by Listed: Oct 30, 2026, 17:00 ET. No prices; not investment advice.